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Chapter 5
Programming Considerations
© National Instruments Corporation
5-27
VXI-MXI User Manual
MXIbus Link:
Device:
Amount of A16 space required by this device:
A16 space requirement for each second level MXIbus link connected to this device:
#1
+
#2
=
Round up to next address break:
Total amount of A16 space required for this window:
=
Round up total amount to the next address size break:
*
A16 Window: Base:
Size:
Direction:
First Level VXI-MXI:
A16 Window: Base:
Size:
Direction:
Second Level VXI-MXI #1:
A16 Window: Base:
Size:
Direction:
Second Level VXI-MXI #2:
Device:
Amount of A16 space required by this device:
A16 space requirement for each second level MXIbus link connected to this device:
#1
+
#2
=
Round up to next address break:
Total amount of A16 space required for this window:
=
Round up total amount to the next address size break:
*
A16 Window: Base:
Size:
Direction:
First Level VXI-MXI:
A16 Window: Base:
Size:
Direction:
Second Level VXI-MXI #1:
A16 Window: Base:
Size:
Direction:
Second Level VXI-MXI #2:
Device:
Amount of A16 space required by this device:
A16 space requirement for each second level MXIbus link connected to this device:
#1
+
#2
=
Round up to next address break:
Total amount of A16 space required for this window:
=
Round up total amount to the next address size break:
*
A16 Window: Base:
Size:
Direction:
First Level VXI-MXI:
A16 Window: Base:
Size:
Direction:
Second Level VXI-MXI #1:
A16 Window: Base:
Size:
Direction:
Second Level VXI-MXI #2:
Device:
Amount of A16 space required by this device:
A16 space requirement for each second level MXIbus link connected to this device:
#1
+
#2
=
Round up to next address break:
Total amount of A16 space required for this window:
=
Round up total amount to the next address size break:
*
A16 Window: Base:
Size:
Direction:
First Level VXI-MXI:
A16 Window: Base:
Size:
Direction:
Second Level VXI-MXI #1:
A16 Window: Base:
Size:
Direction:
Second Level VXI-MXI #2:
MXIbus #1
MXIbus Device A
512
0
512
512
MXIbus Device B
0
0
0
0
0
0
0
0
0
0000
Out
VXIbus Mainframe #2
VXIbus Mainframe #3
4K
2K + 1K
3K
4K
7K
8K
4000
3
In
MXIbus #3
5000
4
Out
Figure 5-16. Worksheet 2 for A16 Map Example